======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '233'
                                          'artist'  'ABBA'
                                     'text_people'  ''
                                         'release'  'Nostalgie Disco Fever'
                                           'title'  'Dancing Queen'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['swedish', '80s', '70s', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '100.805'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Nostalgie Disco Fever'
'TBPM' (BPM (beats per minute))                     '100.805'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Dancing Queen'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'ABBA'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swedish', '80s', '70s', 'pop', 'disco']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.418002'

========================== row from database ==========================
                                              'id'  1351753
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/George Duke - VA - Nostalgie Disco Fever Les 50 Plus Grands Titres Disco-Funk (2016)/16. ABBA - Dancing Queen.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  233
                                           'genre'  electronic-we-disco or italo;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  9434596
                                           'mtime'  1620535586
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo George Duke VA Les 50 Plus Grands Titres Funk (2016) 16. electronic we disco or italo;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  ABBA
                                     'tag_release'  Nostalgie Disco Fever
                                       'tag_title'  Dancing Queen
                                             'bpm'  100.805
                                    'search_title'  'dancing':1 'queen':2
                                   'search_artist'  'abba':1
                                  'search_release'  'disco':2 'fever':3 'nostalgie':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '16':17,18 '2016':15,16 '50':10 'disco':3 'duke':7 'electronic':19 'funk':14 'george':6 'grands':12 'italo':5,22,24 'les':9 'mor':31 'or':21 'pl':26 'plus':11 'set':23,25,28,30 'shirleyspinoza':27,29 'titres':13 'va':8 'waves':2 'we':20
                                    'search_combo'  '00disco':10 '00poprockelectronic':7 '16':23,24 '2016':21,22 '50':16 'abba':3B 'dancing':1A 'disco':5C,9 'duke':13 'electronic':25 'fever':6C 'funk':20 'george':12 'grands':18 'italo':11,28,30 'les':15 'mor':37 'nostalgie':4C 'or':27 'pl':32 'plus':17 'queen':2A 'set':29,31,34,36 'shirleyspinoza':33,35 'titres':19 'va':14 'waves':8 'we':26
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['swedish', '80s', '70s', 'pop', 'disco']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535586.349348  (2021-05-09 06:46:26)
                             'size'  9434596